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- /*
- This file is part of GNUnet.
- Copyright (C) 2010,2011 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @file ats/perf_ats_solver.c
- * @brief generic performance test for ATS solvers
- * @author Christian Grothoff
- * @author Matthias Wachs
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_statistics_service.h"
- #include "gnunet-service-ats_addresses.h"
- #include "gnunet-service-ats_plugins.h"
- #include "gnunet-service-ats_normalization.h"
- #include "gnunet-service-ats_preferences.h"
- #include "gnunet_ats_service.h"
- #include "gnunet_ats_plugin.h"
- #include "test_ats_api_common.h"
- #define DEFAULT_UPDATE_PERCENTAGE 20
- #define DEFAULT_PEERS_START 10
- #define DEFAULT_PEERS_END 10
- #define DEFAULT_ADDRESSES 10
- #define DEFAULT_ATS_COUNT 2
- /**
- * Handle for statistics.
- */
- struct GNUNET_STATISTICS_Handle *GSA_stats;
- /**
- * Handle for ATS address component
- */
- struct PerfHandle
- {
- /**
- * Performance peers
- */
- struct PerfPeer *peers;
- /**
- * Solver handle
- */
- struct GNUNET_ATS_SolverFunctions *sf;
- /**
- * Statistics stat;
- */
- struct GNUNET_STATISTICS_Handle *stat;
- /**
- * A multihashmap to store all addresses
- */
- struct GNUNET_CONTAINER_MultiPeerMap *addresses;
- /**
- * Solver functions
- * */
- struct GNUNET_ATS_PluginEnvironment env;
- /**
- * Array for results for each iteration with length iterations
- */
- struct Iteration *iterations_results;
- /**
- * The current result
- */
- struct Result *current_result;
- /**
- * Current number of peers benchmarked
- */
- int current_p;
- /**
- * Current number of addresses benchmarked
- */
- int current_a;
- /**
- * Solver description as string
- */
- char *ats_string;
- /**
- * Configured ATS solver
- */
- int ats_mode;
- /**
- * #peers to start benchmarking with
- */
- int N_peers_start;
- /**
- * #peers to end benchmarking with
- */
- int N_peers_end;
- /**
- * #addresses to benchmarking with
- */
- int N_address;
- /**
- * Percentage of peers to update
- */
- int opt_update_percent;
- /**
- * Create gnuplot file
- */
- int create_datafile;
- /**
- * Measure updates
- */
- int measure_updates;
- /**
- * Number of iterations
- */
- int total_iterations;
- /**
- * Current iteration
- */
- int current_iteration;
- /**
- * Is a bulk operation running?
- */
- int bulk_running;
- /**
- * Is a bulk operation running?
- */
- int expecting_solution;
- /**
- * Was the problem just updates?
- */
- int performed_update;
- };
- /**
- * Data structure to store results for a single iteration
- */
- struct Iteration
- {
- struct Result **results_array;
- struct Result **update_results_array;
- };
- /**
- * Result for a solver calculcation
- */
- struct Result
- {
- /**
- * Previous element in the linked list
- */
- struct Result *prev;
- /**
- * Next element in the linked list
- */
- struct Result *next;
- /**
- * Number of peers this solution included
- */
- int peers;
- /**
- * Number of addresses per peer this solution included
- */
- int addresses;
- /**
- * Is this an update or a full solution
- */
- int update;
- /**
- * Was the solution valid or did the solver fail
- */
- int valid;
- /**
- * Result of the solver
- */
- enum GAS_Solver_Additional_Information info;
- /**
- * Duration of setting up the problem in the solver
- */
- struct GNUNET_TIME_Relative d_setup_full;
- /**
- * Duration of solving the LP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Relative d_lp_full;
- /**
- * Duration of solving the MLP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Relative d_mlp_full;
- /**
- * Duration of solving whole problem in the solver
- */
- struct GNUNET_TIME_Relative d_total_full;
- /**
- * Start time of setting up the problem in the solver
- */
- struct GNUNET_TIME_Absolute s_setup;
- /**
- * Start time of solving the LP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Absolute s_lp;
- /**
- * Start time of solving the MLP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Absolute s_mlp;
- /**
- * Start time of solving whole problem in the solver
- */
- struct GNUNET_TIME_Absolute s_total;
- /**
- * End time of setting up the problem in the solver
- */
- struct GNUNET_TIME_Absolute e_setup;
- /**
- * End time of solving the LP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Absolute e_lp;
- /**
- * End time of solving the MLP problem in the solver
- * MLP solver only
- */
- struct GNUNET_TIME_Absolute e_mlp;
- /**
- * End time of solving whole problem in the solver
- */
- struct GNUNET_TIME_Absolute e_total;
- };
- /**
- * Peer used for the benchmarking
- */
- struct PerfPeer
- {
- /**
- * Peer identitity
- */
- struct GNUNET_PeerIdentity id;
- /**
- * Head of linked list of addresses used with this peer
- */
- struct ATS_Address *head;
- /**
- * Head of linked list of addresses used with this peer
- */
- struct ATS_Address *tail;
- };
- /**
- * ATS performance handle
- */
- static struct PerfHandle ph;
- /**
- * Return value
- */
- static int ret;
- /**
- * Do shutdown
- */
- static void
- end_now (int res)
- {
- if (NULL != ph.stat)
- {
- GNUNET_STATISTICS_destroy (ph.stat, GNUNET_NO);
- ph.stat = NULL;
- }
- GNUNET_free (ph.peers);
- GNUNET_free (ph.iterations_results);
- GAS_normalization_stop ();
- GAS_preference_done ();
- ret = res;
- }
- /**
- * Create a peer used for benchmarking
- *
- * @param cp the number of the peer
- */
- static void
- perf_create_peer (int cp)
- {
- GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
- &ph.peers[cp].id, sizeof(struct
- GNUNET_PeerIdentity));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating peer #%u: %s \n", cp,
- GNUNET_i2s (&ph.peers[cp].id));
- }
- /**
- * Perform an update for an address
- *
- * @param cur the address to update
- */
- static void
- perf_update_address (struct ATS_Address *cur)
- {
- int r_type;
- int abs_val;
- double rel_val;
- r_type = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 2);
- switch (r_type)
- {
- case 0:
- abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
- rel_val = (100 + (double) abs_val) / 100;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
- GNUNET_i2s (&cur->peer), cur,
- "GNUNET_ATS_QUALITY_NET_DELAY",
- abs_val, rel_val);
- ph.sf->s_address_update_property (ph.sf->cls, cur,
- GNUNET_ATS_QUALITY_NET_DELAY,
- abs_val, rel_val);
- break;
- case 1:
- abs_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 10);
- rel_val = (100 + (double) abs_val) / 100;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Updating peer `%s' address %p type %s abs val %u rel val %.3f\n",
- GNUNET_i2s (&cur->peer), cur, "GNUNET_ATS_QUALITY_NET_DISTANCE",
- abs_val, rel_val);
- ph.sf->s_address_update_property (ph.sf->cls, cur,
- GNUNET_ATS_QUALITY_NET_DISTANCE,
- abs_val, rel_val);
- break;
- default:
- break;
- }
- }
- static void
- bandwidth_changed_cb (void *cls,
- struct ATS_Address *address)
- {
- if ((0 == address->assigned_bw_out) && (0 == address->assigned_bw_in))
- return;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Bandwidth changed addresses %s %p to %u Bps out / %u Bps in\n",
- GNUNET_i2s (&address->peer),
- address,
- address->assigned_bw_out,
- address->assigned_bw_in);
- if (GNUNET_YES == ph.bulk_running)
- GNUNET_break (0);
- return;
- }
- static const double *
- get_preferences_cb (void *cls, const struct GNUNET_PeerIdentity *id)
- {
- return GAS_preference_get_by_peer (NULL, id);
- }
- static void
- perf_address_initial_update (void *dead,
- struct GNUNET_CONTAINER_MultiPeerMap *addresses,
- struct ATS_Address *address)
- {
- double delay;
- double distance;
- uint32_t random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
- delay = (100 + (double) random) / 100;
- ph.sf->s_address_update_property (ph.sf->cls,
- address, GNUNET_ATS_QUALITY_NET_DELAY,
- 100, delay);
- random = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100);
- distance = (100 + (double) random) / 100;
- ph.sf->s_address_update_property (ph.sf->cls, address,
- GNUNET_ATS_QUALITY_NET_DISTANCE,
- 10, distance);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Initial update address %p : %.2f %.2f\n",
- address, delay, distance);
- }
- struct DUA_Ctx
- {
- int r;
- int c_cur_a;
- };
- static int
- do_update_address (void *cls,
- const struct GNUNET_PeerIdentity *pid,
- void *value)
- {
- struct DUA_Ctx *ctx = cls;
- struct ATS_Address *addr = value;
- if (ctx->c_cur_a == ctx->r)
- perf_update_address (addr);
- ctx->c_cur_a++;
- return GNUNET_OK;
- }
- /**
- * Update a certain percentage of peers
- *
- * @param cp the current number of peers
- * @param ca the current number of addresses
- * @param percentage_peers the percentage of peers to update
- */
- static void
- perf_update_all_addresses (unsigned int cp, unsigned int ca, unsigned int
- percentage_peers)
- {
- int c_peer;
- int c_select;
- int c_cur_p;
- int r;
- int count;
- unsigned int m[cp];
- struct DUA_Ctx dua_ctx;
- count = cp * ((double) percentage_peers / 100);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Updating %u of %u peers \n", count, cp);
- for (c_peer = 0; c_peer < cp; c_peer++)
- m[c_peer] = 0;
- c_select = 0;
- while (c_select < count)
- {
- r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, cp);
- if (0 == m[r])
- {
- m[r] = 1;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Updating peer [%u] \n", r);
- c_select++;
- }
- }
- for (c_cur_p = 0; c_cur_p < cp; c_cur_p++)
- {
- if (1 == m[c_cur_p])
- {
- r = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, ca);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Updating peer [%u] address [%u]\n", c_cur_p, r);
- dua_ctx.c_cur_a = 0;
- dua_ctx.r = r;
- GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
- &ph.peers[c_cur_p].id,
- &do_update_address,
- &dua_ctx);
- }
- }
- }
- /**
- * Create an address for a peer
- *
- * @param cp index of the peer
- * @param ca index of the address
- * @return the address
- */
- static struct ATS_Address *
- perf_create_address (int cp, int ca)
- {
- struct ATS_Address *a;
- a = create_address (&ph.peers[cp].id,
- "Test 1", "test 1", strlen ("test 1") + 1, 0);
- GNUNET_CONTAINER_multipeermap_put (ph.addresses, &ph.peers[cp].id, a,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
- return a;
- }
- /**
- * Information callback for the solver
- *
- * @param op the solver operation
- * @param stat status of the solver operation
- * @param add additional solver information
- */
- static void
- solver_info_cb (void *cls,
- enum GAS_Solver_Operation op,
- enum GAS_Solver_Status stat,
- enum GAS_Solver_Additional_Information add)
- {
- char *add_info;
- switch (add)
- {
- case GAS_INFO_NONE:
- add_info = "GAS_INFO_NONE";
- break;
- case GAS_INFO_FULL:
- add_info = "GAS_INFO_MLP_FULL";
- break;
- case GAS_INFO_UPDATED:
- add_info = "GAS_INFO_MLP_UPDATED";
- break;
- case GAS_INFO_PROP_ALL:
- add_info = "GAS_INFO_PROP_ALL";
- break;
- case GAS_INFO_PROP_SINGLE:
- add_info = "GAS_INFO_PROP_SINGLE";
- break;
- default:
- add_info = "INVALID";
- break;
- }
- struct Result *tmp;
- switch (op)
- {
- case GAS_OP_SOLVE_START:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s' `%s'\n",
- "GAS_OP_SOLVE_START",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
- if (GNUNET_NO == ph.expecting_solution)
- {
- /* We do not expect a solution at the moment */
- GNUNET_break (0);
- return;
- }
- if ((GAS_STAT_SUCCESS == stat) && (NULL == ph.current_result))
- {
- tmp = GNUNET_new (struct Result);
- /* Create new result */
- if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
- {
- ph.current_result = tmp;
- // fprintf (stderr,"UPDATE %u %u\n",ph.current_iteration-1, ph.current_p);
- ph.iterations_results[ph.current_iteration
- - 1].update_results_array[ph.current_p] = tmp;
- }
- else
- {
- ph.current_result = tmp;
- // fprintf (stderr,"FULL %u %u\n",ph.current_iteration-1, ph.current_p);
- ph.iterations_results[ph.current_iteration
- - 1].results_array[ph.current_p] = tmp;
- }
- ph.current_result->addresses = ph.current_a;
- ph.current_result->peers = ph.current_p;
- ph.current_result->s_total = GNUNET_TIME_absolute_get ();
- ph.current_result->d_total_full = GNUNET_TIME_UNIT_FOREVER_REL;
- ph.current_result->d_setup_full = GNUNET_TIME_UNIT_FOREVER_REL;
- ph.current_result->d_lp_full = GNUNET_TIME_UNIT_FOREVER_REL;
- ph.current_result->d_mlp_full = GNUNET_TIME_UNIT_FOREVER_REL;
- ph.current_result->info = add;
- if ((add == GAS_INFO_UPDATED) || (GNUNET_YES == ph.performed_update))
- {
- ph.current_result->update = GNUNET_YES;
- }
- else
- {
- ph.current_result->update = GNUNET_NO;
- }
- }
- return;
- case GAS_OP_SOLVE_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s', `%s'\n",
- "GAS_OP_SOLVE_STOP",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL", add_info);
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- /* We do not expect a solution at the moment */
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- if (NULL != ph.current_result)
- {
- /* Finalize result */
- ph.current_result->e_total = GNUNET_TIME_absolute_get ();
- ph.current_result->d_total_full = GNUNET_TIME_absolute_get_difference (
- ph.current_result->s_total, ph.current_result->e_total);
- }
- ph.current_result = NULL;
- return;
- case GAS_OP_SOLVE_SETUP_START:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_SETUP_START",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->s_setup = GNUNET_TIME_absolute_get ();
- return;
- case GAS_OP_SOLVE_SETUP_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_SETUP_STOP",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->e_setup = GNUNET_TIME_absolute_get ();
- ph.current_result->d_setup_full = GNUNET_TIME_absolute_get_difference (
- ph.current_result->s_setup, ph.current_result->e_setup);
- return;
- case GAS_OP_SOLVE_MLP_LP_START:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_LP_START",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->s_lp = GNUNET_TIME_absolute_get ();
- return;
- case GAS_OP_SOLVE_MLP_LP_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_LP_STOP",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->e_lp = GNUNET_TIME_absolute_get ();
- ph.current_result->d_lp_full = GNUNET_TIME_absolute_get_difference (
- ph.current_result->s_lp, ph.current_result->e_lp);
- return;
- case GAS_OP_SOLVE_MLP_MLP_START:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_MLP_START",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->s_mlp = GNUNET_TIME_absolute_get ();
- return;
- case GAS_OP_SOLVE_MLP_MLP_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_MLP_STOP",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if ((GNUNET_NO == ph.expecting_solution) || (NULL == ph.current_result))
- {
- GNUNET_break (0);
- return;
- }
- if (GAS_STAT_SUCCESS == stat)
- ph.current_result->valid = GNUNET_YES;
- else
- ph.current_result->valid = GNUNET_NO;
- ph.current_result->e_mlp = GNUNET_TIME_absolute_get ();
- ph.current_result->d_mlp_full = GNUNET_TIME_absolute_get_difference (
- ph.current_result->s_mlp, ph.current_result->e_mlp);
- return;
- case GAS_OP_SOLVE_UPDATE_NOTIFICATION_START:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_UPDATE_NOTIFICATION_START",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- return;
- case GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Solver notifies `%s' with result `%s'\n",
- "GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP",
- (GAS_STAT_SUCCESS == stat) ? "SUCCESS" : "FAIL");
- if (GAS_STAT_SUCCESS != stat)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Solver `%s' failed to update problem with %u peers and %u address!\n",
- ph.ats_string, ph.current_p, ph.current_a);
- }
- return;
- default:
- break;
- }
- }
- /**
- * Evaluate results for a specific iteration
- *
- * @param iteration the iteration to evaluate
- */
- static void
- evaluate (int iteration)
- {
- struct Result *cur;
- int cp;
- for (cp = ph.N_peers_start; cp <= ph.N_peers_end; cp++)
- {
- cur = ph.iterations_results[ph.current_iteration - 1].results_array[cp];
- if (0 == cp)
- continue;
- if (NULL == cur)
- {
- GNUNET_break (0);
- fprintf (stderr,
- "Missing result for %u peers\n", cp);
- continue;
- }
- if (GNUNET_NO == cur->valid)
- {
- fprintf (stderr,
- "Total time to solve %s for %u peers %u addresses: %s\n",
- (GNUNET_YES == cur->update) ? "updated" : "full",
- cur->peers, cur->addresses, "Failed to solve!");
- continue;
- }
- if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us !=
- cur->d_total_full.rel_value_us)
- {
- fprintf (stderr,
- "Total time to solve %s for %u peers %u addresses: %llu us\n",
- (GNUNET_YES == cur->update) ? "updated" : "full",
- cur->peers, cur->addresses,
- (unsigned long long) cur->d_total_full.rel_value_us);
- }
- if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us !=
- cur->d_setup_full.rel_value_us)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Total time to setup %s %u peers %u addresses: %llu us\n",
- (GNUNET_YES == cur->update) ? "updated" : "full",
- cur->peers, cur->addresses,
- (unsigned long long) cur->d_setup_full.rel_value_us);
- }
- if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us !=
- cur->d_lp_full.rel_value_us)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Total time to solve %s LP for %u peers %u addresses: %llu us\n",
- (GNUNET_YES == cur->update) ? "updated" : "full",
- cur->peers,
- cur->addresses,
- (unsigned long long ) cur->d_lp_full.rel_value_us);
- }
- if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us !=
- cur->d_mlp_full.rel_value_us)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Total time to solve %s MLP for %u peers %u addresses: %llu us\n",
- (GNUNET_YES == cur->update) ? "updated" : "full",
- cur->peers, cur->addresses,
- (unsigned long long ) cur->d_mlp_full.rel_value_us);
- }
- }
- }
- static unsigned int
- get_connectivity_cb (void *cls,
- const struct GNUNET_PeerIdentity *peer)
- {
- return GNUNET_CONTAINER_multipeermap_contains (ph.addresses,
- peer);
- }
- /**
- * Evaluate average results for all iterations
- */
- static void
- write_all_iterations (void)
- {
- int c_iteration;
- int c_peer;
- struct GNUNET_DISK_FileHandle *f_full;
- struct GNUNET_DISK_FileHandle *f_update;
- char *data_fn_full;
- char *data_fn_update;
- char *data;
- f_full = NULL;
- f_update = NULL;
- data_fn_full = NULL;
- if (GNUNET_NO == ph.create_datafile)
- return;
- GNUNET_asprintf (&data_fn_full,
- "perf_%s_full_%u-%u_%u_%u.data",
- ph.ats_string,
- ph.total_iterations,
- ph.N_peers_start,
- ph.N_peers_end,
- ph.N_address);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Using data file `%s'\n",
- data_fn_full);
- f_full = GNUNET_DISK_file_open (data_fn_full,
- GNUNET_DISK_OPEN_WRITE
- | GNUNET_DISK_OPEN_CREATE,
- GNUNET_DISK_PERM_USER_EXEC
- | GNUNET_DISK_PERM_USER_READ
- | GNUNET_DISK_PERM_USER_WRITE);
- if (NULL == f_full)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot open data file `%s'\n",
- data_fn_full);
- GNUNET_free (data_fn_full);
- return;
- }
- data =
- "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
- if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_full, data, strlen (data)))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot write data to log file `%s'\n",
- data_fn_full);
- data_fn_update = NULL;
- if (GNUNET_YES == ph.measure_updates)
- {
- GNUNET_asprintf (&data_fn_update, "perf_%s_update_%u-%u_%u_%u.data",
- ph.ats_string,
- ph.total_iterations,
- ph.N_peers_start,
- ph.N_peers_end,
- ph.N_address);
- f_update = GNUNET_DISK_file_open (data_fn_update,
- GNUNET_DISK_OPEN_WRITE
- | GNUNET_DISK_OPEN_CREATE,
- GNUNET_DISK_PERM_USER_EXEC
- | GNUNET_DISK_PERM_USER_READ
- | GNUNET_DISK_PERM_USER_WRITE);
- if (NULL == f_update)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot open gnuplot file `%s'\n", data_fn_update);
- GNUNET_free (data_fn_update);
- if (NULL != f_full)
- GNUNET_DISK_file_close (f_full);
- GNUNET_free (data_fn_full);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Using update data file `%s'\n",
- data_fn_update);
- data =
- "#peers;addresses;time total in us;#time setup in us;#time lp in us;#time mlp in us;\n";
- if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data, strlen (data)))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot write data to log file `%s'\n",
- data_fn_update);
- }
- for (c_peer = ph.N_peers_start; c_peer <= ph.N_peers_end; c_peer++)
- {
- char *data_str;
- char *data_tmp;
- char *data_upd_str;
- char *data_upd_tmp;
- GNUNET_asprintf (&data_str, "%u;%u", c_peer, ph.N_address);
- if (ph.measure_updates)
- GNUNET_asprintf (&data_upd_str, "%u;%u", c_peer, ph.N_address);
- for (c_iteration = 0; c_iteration < ph.total_iterations; c_iteration++)
- {
- struct Result *cur_full_res;
- struct Result *cur_upd_res;
- // fprintf (stderr, "P: %u I: %u == %p \n", c_peer, c_iteration, cur_res);
- cur_full_res = ph.iterations_results[c_iteration].results_array[c_peer];
- if (c_peer == 0)
- continue;
- if (NULL == cur_full_res)
- continue;
- if (ph.measure_updates)
- {
- cur_upd_res =
- ph.iterations_results[c_iteration].update_results_array[c_peer];
- data_upd_tmp = GNUNET_strdup (data_upd_str);
- GNUNET_free (data_upd_str);
- if (GNUNET_YES == cur_full_res->valid)
- {
- GNUNET_asprintf (&data_upd_str, "%s;%llu", data_upd_tmp,
- (NULL == cur_upd_res) ? 0 :
- cur_upd_res->d_total_full.rel_value_us);
- }
- else
- {
- GNUNET_asprintf (&data_upd_str, "%s;", data_upd_tmp);
- }
- GNUNET_free (data_upd_tmp);
- }
- // fprintf (stderr, "P: %u I: %u: P %i A %i\n", c_peer, c_iteration, cur_res->peers, cur_res->addresses);
- // fprintf (stderr, "D total: %llu\n", (long long unsigned int) cur_res->d_total.rel_value_us);
- data_tmp = GNUNET_strdup (data_str);
- GNUNET_free (data_str);
- if (GNUNET_YES == cur_full_res->valid)
- {
- GNUNET_asprintf (&data_str, "%s;%llu", data_tmp,
- cur_full_res->d_total_full.rel_value_us);
- }
- else
- {
- GNUNET_asprintf (&data_str, "%s;", data_tmp);
- }
- GNUNET_free (data_tmp);
- }
- data_tmp = GNUNET_strdup (data_str);
- GNUNET_free (data_str);
- GNUNET_asprintf (&data_str, "%s\n", data_tmp);
- GNUNET_free (data_tmp);
- fprintf (stderr, "Result full solution: %s\n", data_str);
- if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_full, data_str, strlen (
- data_str)))
- GNUNET_break (0);
- GNUNET_free (data_str);
- if (ph.measure_updates)
- {
- data_upd_tmp = GNUNET_strdup (data_upd_str);
- GNUNET_free (data_upd_str);
- GNUNET_asprintf (&data_upd_str, "%s\n", data_upd_tmp);
- GNUNET_free (data_upd_tmp);
- fprintf (stderr, "Result updated solution: `%s'\n", data_upd_str);
- if (GNUNET_SYSERR == GNUNET_DISK_file_write (f_update, data_upd_str,
- strlen (data_upd_str)))
- GNUNET_break (0);
- GNUNET_free (data_upd_str);
- }
- }
- if ((NULL != f_full) && (GNUNET_SYSERR == GNUNET_DISK_file_close (f_full)))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
- data_fn_full);
- GNUNET_free (data_fn_full);
- if ((NULL != f_update) && (GNUNET_SYSERR == GNUNET_DISK_file_close (
- f_update)))
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Cannot close log file `%s'\n",
- data_fn_update);
- GNUNET_free (data_fn_update);
- }
- static int
- do_delete_address (void *cls,
- const struct GNUNET_PeerIdentity *pid,
- void *value)
- {
- struct ATS_Address *cur = value;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Deleting addresses for peer %u\n",
- pid);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multipeermap_remove (ph.addresses,
- pid,
- cur));
- ph.sf->s_del (ph.sf->cls, cur);
- GNUNET_free (cur->atsi);
- GNUNET_free (cur);
- return GNUNET_OK;
- }
- /**
- * Run a performance iteration
- */
- static void
- perf_run_iteration (void)
- {
- int cp;
- int ca;
- int count_p = ph.N_peers_end;
- int count_a = ph.N_address;
- struct ATS_Address *cur_addr;
- uint32_t net;
- ph.iterations_results[ph.current_iteration - 1].results_array =
- GNUNET_malloc ((count_p + 1) * sizeof(struct Result *));
- if (ph.measure_updates)
- ph.iterations_results[ph.current_iteration - 1].update_results_array =
- GNUNET_malloc ((count_p + 1) * sizeof(struct Result *));
- ph.peers = GNUNET_malloc ((count_p) * sizeof(struct PerfPeer));
- for (cp = 0; cp < count_p; cp++)
- perf_create_peer (cp);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Iteration %u of %u, added %u peers\n", ph.current_iteration,
- ph.total_iterations, cp);
- for (cp = 0; cp < count_p; cp++)
- {
- fprintf (stderr, "%u..", cp);
- if (GNUNET_NO == ph.bulk_running)
- {
- ph.bulk_running = GNUNET_YES;
- ph.sf->s_bulk_start (ph.sf->cls);
- }
- ph.current_p = cp + 1;
- for (ca = 0; ca < count_a; ca++)
- {
- cur_addr = perf_create_address (cp, ca);
- /* Add address */
- /* Random network selection */
- // net = 1 + GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, GNUNET_NT_COUNT - 1);
- /* Random equally distributed network selection */
- net = 1 + (ca % (GNUNET_NT_COUNT - 1));
- /* fprintf (stderr, "Network: %u `%s'\n",
- * mod_net , GNUNET_NT_to_string(mod_net)); */
- cur_addr->atsi = GNUNET_new (struct GNUNET_ATS_Information);
- cur_addr->atsi_count = 1;
- cur_addr->atsi[0].type = htonl (GNUNET_ATS_NETWORK_TYPE);
- cur_addr->atsi[0].value = htonl (net);
- ph.sf->s_add (ph.sf->cls, cur_addr, net);
- ph.current_a = ca + 1;
- perf_address_initial_update (NULL, ph.addresses, cur_addr);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Adding address for peer %u address %u in network %s\n", cp,
- ca,
- GNUNET_NT_to_string (net));
- }
- /* Notify solver about request */
- ph.sf->s_get (ph.sf->cls, &ph.peers[cp].id);
- if (cp + 1 >= ph.N_peers_start)
- {
- /* Disable bulk to solve the problem */
- if (GNUNET_YES == ph.bulk_running)
- {
- ph.expecting_solution = GNUNET_YES;
- ph.bulk_running = GNUNET_NO;
- ph.sf->s_bulk_stop (ph.sf->cls);
- }
- else
- GNUNET_break (0);
- /* Problem is solved by the solver here due to unlocking */
- ph.expecting_solution = GNUNET_NO;
- /* Update the problem */
- if ((0 < ph.opt_update_percent) && (GNUNET_YES == ph.measure_updates))
- {
- /* Update */
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Updating problem with %u peers and %u addresses\n", cp + 1,
- ca);
- ph.expecting_solution = GNUNET_YES;
- ph.performed_update = GNUNET_YES;
- if (GNUNET_NO == ph.bulk_running)
- {
- ph.bulk_running = GNUNET_YES;
- ph.sf->s_bulk_start (ph.sf->cls);
- }
- perf_update_all_addresses (cp + 1, ca, ph.opt_update_percent);
- ph.bulk_running = GNUNET_NO;
- ph.sf->s_bulk_stop (ph.sf->cls);
- /* Problem is solved by the solver here due to unlocking */
- ph.performed_update = GNUNET_NO;
- ph.expecting_solution = GNUNET_NO;
- }
- GNUNET_assert (GNUNET_NO == ph.bulk_running);
- }
- }
- fprintf (stderr, "\n");
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Done, cleaning up addresses\n");
- if (GNUNET_NO == ph.bulk_running)
- {
- ph.sf->s_bulk_start (ph.sf->cls);
- ph.bulk_running = GNUNET_YES;
- }
- for (cp = 0; cp < count_p; cp++)
- {
- GNUNET_CONTAINER_multipeermap_get_multiple (ph.addresses,
- &ph.peers[cp].id,
- &do_delete_address,
- NULL);
- }
- if (GNUNET_NO == ph.bulk_running)
- {
- ph.sf->s_bulk_stop (ph.sf->cls);
- ph.bulk_running = GNUNET_NO;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Iteration done\n");
- GNUNET_free (ph.peers);
- }
- static void
- run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
- {
- GNUNET_log_setup ("perf-ats-solver", "WARNING", NULL);
- char *sep;
- char *src_filename = GNUNET_strdup (__FILE__);
- char *test_filename = cls;
- char *solver;
- char *plugin;
- struct GNUNET_CONFIGURATION_Handle *solver_cfg;
- unsigned long long quotas_in[GNUNET_NT_COUNT];
- unsigned long long quotas_out[GNUNET_NT_COUNT];
- int c;
- int c2;
- /* Extract test name */
- if (NULL == (sep = (strstr (src_filename, ".c"))))
- {
- GNUNET_free (src_filename);
- GNUNET_break (0);
- ret = 1;
- return;
- }
- sep[0] = '\0';
- if (NULL != (sep = strstr (test_filename, ".exe")))
- sep[0] = '\0';
- if (NULL == (solver = strstr (test_filename, src_filename)))
- {
- GNUNET_free (src_filename);
- GNUNET_break (0);
- ret = 1;
- return;
- }
- solver += strlen (src_filename) + 1;
- if (0 == strcmp (solver, "proportional"))
- {
- ph.ats_string = "proportional";
- }
- else if (0 == strcmp (solver, "mlp"))
- {
- ph.ats_string = "mlp";
- }
- else if ((0 == strcmp (solver, "ril")))
- {
- ph.ats_string = "ril";
- }
- else
- {
- GNUNET_free (src_filename);
- GNUNET_break (0);
- ret = 1;
- return;
- }
- GNUNET_free (src_filename);
- /* Calculcate peers */
- if ((0 == ph.N_peers_start) && (0 == ph.N_peers_end))
- {
- ph.N_peers_start = DEFAULT_PEERS_START;
- ph.N_peers_end = DEFAULT_PEERS_END;
- }
- if (0 == ph.N_address)
- ph.N_address = DEFAULT_ADDRESSES;
- if (ph.N_peers_start != ph.N_peers_end)
- fprintf (stderr,
- "Benchmarking solver `%s' with %u to %u peers and %u addresses in %u iterations\n",
- ph.ats_string, ph.N_peers_start, ph.N_peers_end, ph.N_address,
- ph.total_iterations);
- else
- fprintf (stderr,
- "Benchmarking solver `%s' with %u peers and %u addresses in %u iterations\n",
- ph.ats_string, ph.N_peers_end, ph.N_address, ph.total_iterations);
- if (0 == ph.opt_update_percent)
- ph.opt_update_percent = DEFAULT_UPDATE_PERCENTAGE;
- /* Load quotas */
- solver_cfg = GNUNET_CONFIGURATION_create ();
- if ((NULL == solver_cfg) || (GNUNET_SYSERR == (GNUNET_CONFIGURATION_load (
- solver_cfg,
- "perf_ats_solver.conf"))))
- {
- GNUNET_break (0);
- end_now (1);
- return;
- }
- if (GNUNET_NT_COUNT != load_quotas (solver_cfg,
- quotas_out, quotas_in, GNUNET_NT_COUNT))
- {
- GNUNET_break (0);
- end_now (1);
- return;
- }
- /* Create array of DLL to store results for iterations */
- ph.iterations_results = GNUNET_malloc (sizeof(struct Iteration)
- * ph.total_iterations);
- /* Load solver */
- ph.env.cfg = solver_cfg;
- ph.stat = GNUNET_STATISTICS_create ("ats", cfg);
- ph.env.stats = ph.stat;
- ph.addresses = GNUNET_CONTAINER_multipeermap_create (128, GNUNET_NO);
- ph.env.addresses = ph.addresses;
- ph.env.bandwidth_changed_cb = bandwidth_changed_cb;
- ph.env.get_connectivity = &get_connectivity_cb;
- ph.env.get_preferences = &get_preferences_cb;
- ph.env.network_count = GNUNET_NT_COUNT;
- ph.env.info_cb = &solver_info_cb;
- for (c = 0; c < GNUNET_NT_COUNT; c++)
- {
- ph.env.out_quota[c] = quotas_out[c];
- ph.env.in_quota[c] = quotas_in[c];
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Loading network quotas: `%s' %llu %llu \n",
- GNUNET_NT_to_string (c),
- ph.env.out_quota[c],
- ph.env.in_quota[c]);
- }
- GAS_normalization_start ();
- GAS_preference_init ();
- GNUNET_asprintf (&plugin,
- "libgnunet_plugin_ats_%s",
- ph.ats_string);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _ ("Initializing solver `%s'\n"),
- ph.ats_string);
- if (NULL == (ph.sf = GNUNET_PLUGIN_load (plugin, &ph.env)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _ ("Failed to initialize solver `%s'!\n"),
- plugin);
- ret = 1;
- return;
- }
- /* Do the benchmark */
- for (ph.current_iteration = 1; ph.current_iteration <= ph.total_iterations;
- ph.current_iteration++)
- {
- fprintf (stderr,
- "Iteration %u of %u starting\n",
- ph.current_iteration,
- ph.total_iterations);
- perf_run_iteration ();
- evaluate (ph.current_iteration);
- fprintf (stderr,
- "Iteration %u of %u done\n",
- ph.current_iteration,
- ph.total_iterations);
- }
- if (ph.create_datafile)
- write_all_iterations ();
- /* Unload solver*/
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _ ("Unloading solver `%s'\n"),
- ph.ats_string);
- GNUNET_PLUGIN_unload (plugin, ph.sf);
- ph.sf = NULL;
- GNUNET_free (plugin);
- for (c = 0; c < ph.total_iterations; c++)
- {
- for (c2 = ph.N_peers_start; c2 < ph.N_peers_end; c2++)
- {
- if (0 == c2)
- continue;
- if (ph.measure_updates)
- GNUNET_free (
- ph.iterations_results[c].update_results_array[c2]);
- GNUNET_free (ph.iterations_results[c].results_array[c2]);
- }
- if (ph.measure_updates)
- GNUNET_free (ph.iterations_results[c].update_results_array);
- GNUNET_free (ph.iterations_results[c].results_array);
- }
- GNUNET_free (ph.iterations_results);
- GNUNET_CONFIGURATION_destroy (solver_cfg);
- GNUNET_STATISTICS_destroy (ph.stat, GNUNET_NO);
- }
- /**
- * Main function of the benchmark
- *
- * @param argc argument count
- * @param argv argument values
- */
- int
- main (int argc, char *argv[])
- {
- /* extract command line arguments */
- ph.opt_update_percent = 0;
- ph.N_peers_start = 0;
- ph.N_peers_end = 0;
- ph.N_address = 0;
- ph.ats_string = NULL;
- ph.create_datafile = GNUNET_NO;
- ph.measure_updates = GNUNET_NO;
- ph.total_iterations = 1;
- static struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_option_uint ('a',
- "addresses",
- gettext_noop ("addresses to use"),
- &ph.N_address),
- GNUNET_GETOPT_option_uint ('s',
- "start",
- gettext_noop ("start with peer"),
- &ph.N_peers_start),
- GNUNET_GETOPT_option_uint ('e',
- "end",
- gettext_noop ("end with peer"),
- &ph.N_peers_end),
- GNUNET_GETOPT_option_uint ('i',
- "iterations",
- gettext_noop (
- "number of iterations used for averaging (default: 1)"),
- &ph.total_iterations),
- GNUNET_GETOPT_option_uint ('p',
- "percentage",
- gettext_noop (
- "update a fix percentage of addresses"),
- &ph.opt_update_percent),
- GNUNET_GETOPT_option_flag ('d',
- "data",
- gettext_noop ("create data file"),
- &ph.create_datafile),
- GNUNET_GETOPT_option_flag ('u',
- "update",
- gettext_noop ("measure updates"),
- &ph.measure_updates),
- GNUNET_GETOPT_OPTION_END
- };
- GNUNET_PROGRAM_run (argc, argv, argv[0], NULL, options, &run, argv[0]);
- return ret;
- }
- /* end of file perf_ats_solver.c */
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